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Loans And Allowance For Loan Losses (Credit Quality Information-By Class) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	$ 495,774	$ 470,069
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	476,090	449,528
Monitor [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	6,131	7,973
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	4,936	1,617
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	8,617	10,036
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables		915
Commercial Mortgages-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	93,649	90,761
Commercial Mortgages-Owner Occupied [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	83,834	83,008
Commercial Mortgages-Owner Occupied [Member] | Monitor [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	2,926	2,975
Commercial Mortgages-Owner Occupied [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	3,734	101
Commercial Mortgages-Owner Occupied [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	3,155	4,677
Commercial Mortgages-Owner Occupied [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables
Commercial Mortgages-Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	138,761	134,402
Commercial Mortgages-Non-Owner Occupied [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	135,855	129,794
Commercial Mortgages-Non-Owner Occupied [Member] | Monitor [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	1,898	3,525
Commercial Mortgages-Non-Owner Occupied [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	152	525
Commercial Mortgages-Non-Owner Occupied [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	856	558
Commercial Mortgages-Non-Owner Occupied [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables
Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	19,397	12,475
Commercial Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	18,423	11,774
Commercial Construction [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	805	445
Commercial Construction [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	169	256
Commercial Construction [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables
Consumer Unsecured [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	6,980	8,567
Consumer Unsecured [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	6,978	8,567
Consumer Unsecured [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	2
Consumer Unsecured [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables
Consumer Secured [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	76,766	76,532
Consumer Secured [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	75,774	76,215
Consumer Secured [Member] | Monitor [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	90
Consumer Secured [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	902	317
Consumer Secured [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables
Residential Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	53,197	51,288
Residential Mortgages [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	50,816	48,366
Residential Mortgages [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	241	245
Residential Mortgages [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	2,140	2,677
Residential Mortgages [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables
Residential Consumer Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	10,897	7,959
Residential Consumer Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	10,839	7,892
Residential Consumer Construction [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	58	67
Residential Consumer Construction [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	96,127	88,085
Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	93,571	83,912
Commercial [Member] | Monitor [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	1,217	1,473
Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	4	301
Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	1,335	1,484
Commercial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables		$ 915

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Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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